Which fields of AI are actively researching consciousness?
I think we still have a long way to go before any progress is made on artificial consciousness. However, researchers are taking inspiration from traits of human consciousness. One relevant paper is Machine Theory of Mind by DeepMind. They show that their model can (at least to some extent) represent the desires, beliefs, and intentions of agents that it observes. It even passes a form of the Sally-Anne test, showing that it can represent the false beliefs of an agent.